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InterviewSolution
| 1. |
What are inner transition elements? Decide which of the following atomic number are the atomic numbers of the inner trasitions elements: 29,59,74,95,102,104. |
| Answer» SOLUTION :The f-block elements, i.e., in which the last electron enters into f-subshell are called INNER-transition elements. These include LANTHANOIDS `(58-71)` and actinoids `(90-103)`. THUS, elements with atomic numbers, `59,95` and `102` are inner transition elements. | |